Weighing scales – Self-positioning – Spring
Patent
1977-10-17
1979-05-01
Miller, Jr., George H.
Weighing scales
Self-positioning
Spring
177229, 73580, G01G 300, G01G 308, G01N 2900
Patent
active
041518900
ABSTRACT:
High-speed weighing apparatus in which the weighing platform responds to the pressure of an object thereon to produce an undamped oscillatory vertical motion indicative of the mass of the object on the platform. The platform is supported on a vertically-movable upright column, which in turn is spring-supported on a frame primarily by means of a flexure pivot support arrangement near its bottom end, which provides spring support for the platform and column to permit the vertical motion indicative of weight; it is also supported by another support arrangement operating on an upper portion of the column nearer the platform, for preventing tilting of the column without interfering with its vertical motion or with the weighing process. The second or upper support arrangement preferably comprises a horizontal flexible rod, secured at one end to the frame and at its other end to the upper part of the column.
REFERENCES:
patent: 3148742 (1964-09-01), Giulie
patent: 3371731 (1968-03-01), Connors et al.
patent: 3443653 (1969-05-01), Marshall
patent: 3799281 (1974-03-01), Wernitz
patent: 3800893 (1974-04-01), Ramsay et al.
patent: 4042051 (1977-08-01), Ricciardi
Miller Jr. George H.
Smith Alec B.
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